ArticleTheScientificWorldJournal2026
Effect of Retreatment Protocols on the Push-Out Bond Strength of Hydraulic Calcium Silicate Cement in Open-Apex Teeth.
Article in TheScientificWorldJournal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Effect of Retreatment Protocols on the Push-Out Bond Strength of Hydraulic Calcium Silicate Cement in Open-Apex Teeth.TheScientificWorldJournal · 2026Article
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Authors and funding
3 authors.
Funding
Abstract
objectivesDuring retreatment, complete removal of previous obturation materials is essential, as remnants may compromise adhesion. This study evaluated the effect of four retreatment protocols on the push-out bond strength of RetroMTA (BioMTA, Seoul, Korea), a fast-setting calcium silicate-based material, used as an apical barrier in teeth with open apices that had been previously obturated with gutta-percha and AH26 sealer. MATERIALS AND
methodsSixty extracted single-rooted human teeth were instrumented and obturated using lateral condensation and then stored in phosphate-buffered saline (PBS) at 37°C for 4 weeks. Specimens were randomly assigned to four groups (n = 15): mechanical retreatment, mechanical retreatment with passive ultrasonic irrigation (PUI), chloroform-assisted retreatment, and chloroform-assisted retreatment with PUI. After retreatment, the apical 5 mm of each canal was obturated with RetroMTA and stored for another 4 weeks. Push-out bond strength was measured using a universal testing machine. Data were analyzed using two-way ANOVA. The significance level was set at α = 0.05.
resultsChloroform use did not significantly affect the push-out bond strength of RetroMTA (p = 0.349). In contrast, PUI significantly increased bond strength regardless of solvent use (p < 0.001). No significant interaction was observed between chloroform and PUI.
conclusionWithin the limitations of this ex vivo study, PUI significantly enhanced the bond strength of RetroMTA to root dentin, whereas chloroform provided no additional benefit.
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